Section 29 (Engine Controls - Tests W/Codes - 5.2L CNG): Summary
WARNING: This page is about a different car, the 1995 Dodge Ram Wagon, 1995 Dodge Ram Van, 1995 Dodge Pickup, and 1995 Dodge Dakota. However, it is still accessible from the selected car via links, so may be relevant.
If no hard DTCs (or only pass codes) are present, driveability symptoms exist or intermittent codes exist, proceed to TEST NTC-1A for diagnosis by symptom (i.e., ROUGH IDLE, NO START, etc.) or INTERMITTENTS in CHRYSLER CORP. TROUBLE SHOOTING - NO CODES - 5.2L CNG article.